initial commit to enable amx #2318

Job	Run time
Check Style	18s
Test (i686-unknown-linux-gnu)	2m 5s
Build Documentation	1m 27s
Env Override (ubuntu-latest)	11s
Test (x86_64-unknown-linux-gnu)	3m 58s
Build std_detect	1m 3s
Env Override (windows-latest)	29s
Test (x86_64-unknown-linux-gnu-emulated)	9m 36s
Automatic intrinsic verification	26s
Test (arm-unknown-linux-gnueabihf)	1m 14s
Test (armv7-unknown-linux-gnueabihf)	10m 38s
Test (aarch64-unknown-linux-gnu)	20m 39s
Test (riscv64gc-unknown-linux-gnu)	1m 21s
Test (powerpc64le-unknown-linux-gnu)	3m 35s
Test (s390x-unknown-linux-gnu)	1m 29s
Test (wasm32-wasip1)	1m 21s
Test (i586-unknown-linux-gnu)	2m 8s
Test (nvptx64-nvidia-cuda)	29s
Test (thumbv6m-none-eabi)	14s
Test (thumbv7m-none-eabi)	16s
Test (thumbv7em-none-eabi)	17s
Test (thumbv7em-none-eabihf)	17s
Test (x86_64-apple-darwin)	9m 55s
Test (aarch64-apple-darwin)	45s
Test (x86_64-pc-windows-msvc)	7m 29s
Test (i686-pc-windows-msvc)	3m 22s
Test (aarch64-pc-windows-msvc)	1m 32s
Test (x86_64-pc-windows-gnu)	7m 46s
success	1s
	1h 34m 21s

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